re PR middle-end/56461 (GCC is leaking lots of memory)

	PR middle-end/56461
	* sel-sched-ir.c (free_sched_pools): Release
	succs_info_pool.stack[succs_info_pool.max_top] vectors too
	if succs_info_pool.max_top isn't -1.

From-SVN: r196450

gcc/ChangeLog

 2013-03-05  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/56461
+	* sel-sched-ir.c (free_sched_pools): Release
+	succs_info_pool.stack[succs_info_pool.max_top] vectors too
+	if succs_info_pool.max_top isn't -1.
+
 	PR bootstrap/56509
 	* opts.c (opts_obstack, opts_concat): Moved to...
 	* opts-common.c (opts_obstack, opts_concat): ... here.

gcc/sel-sched-ir.c

@@ -5020,7 +5020,7 @@ free_sched_pools (void)
 
   free_alloc_pool (sched_lists_pool);
   gcc_assert (succs_info_pool.top == -1);
-  for (i = 0; i < succs_info_pool.max_top; i++)
+  for (i = 0; i <= succs_info_pool.max_top; i++)
     {
       succs_info_pool.stack[i].succs_ok.release ();
       succs_info_pool.stack[i].succs_other.release ();